9999982 has 8 divisors (see below), whose sum is σ = 15365952.
Its totient is φ = 4878000.
The previous prime is 9999973. The next prime is 9999991. The reversal of 9999982 is 2899999.
It can be divided in two parts, 999998 and 2, that added together give a 6-th power (1000000 = 106).
9999982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (9999973) and next prime (9999991).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60894 + ... + 61057.
It is an arithmetic number, because the mean of its divisors is an integer number (1920744).
Almost surely, 29999982 is an apocalyptic number.
9999982 is a deficient number, since it is larger than the sum of its proper divisors (5365970).
9999982 is a wasteful number, since it uses less digits than its factorization.
9999982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121994.
The product of its digits is 944784, while the sum is 55.
The square root of 9999982 is about 3162.2748141172.
The cubic root of 9999982 is about 215.4433397370.
The spelling of 9999982 in words is "nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".